We’re back for the second episode of Elevator Pitch, a new show on GeekWire in which entrepreneurs pitch their business concepts in the 32 seconds it takes to travel to the top of Seattle’s original skyscraper: The Smith Tower.

The clock is ticking and the judges are probing as we look to pick a winner among three dynamic entrepreneurial ideas in the transportation and mobility sector.

Watch the second episode and vote for your favorite pitch below.

In today’s episode, we hear from Designated Driver, a year-old Portland startup that’s bringing a human touch to autonomous vehicles and is helmed by former Microsoft and BMW marketing whiz Manuela Papadopol; Membrion, a University of Washington spinout led by chemical engineer Greg Newbloom that makes ion membranes for use in fuel cells and water desalination systems; and Shared Technology, a new moped-sharing service co-founded by Jason Atherton.

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